Energy saving operation of the inverter is represented by comparison with commercial power supply operation. For exampl

This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart

When an instantaneous power failure occurs and the inverter's bus voltage drops below the standard value, it outputs an

Variable speed control of small-capacity motor and other applications for which small size and low cost are required. (E

The high speed command (multi-speed command) is prioritized over the frequency setting potentiometer. It is OK if these

You can use the input terminals X1 to X3 for an input terminal function such as 7-speed operation (high, middle, and low

When the carrier frequency increases, noise and leakage current increase accordingly. To prevent the noise and leakage c

You cannot connect a brake resistor to the FR-U100 series inverter. (Use the FR-A024 series if you use the brake frequen

You cannot remove the key sheet from products with the key sheet attached as a standard other than the PU operation type

You cannot use it with the standard and multi-function products. It can be connected to the dedicated PU operation type

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FAQ within [ FREQROL-U100 ]

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Energy saving effect of inverter operation

Energy saving operation of the inverter is represented by comparison with commercial power supply operation. 　For example, to control air volume of an air co... More Details >>
- No：21622
- Release Date：2018/08/22 16:28
What happens if reset occurs during operation?

This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart process. However, the recent types o... More Details >>
- No：21477
- Release Date：2018/08/22 16:27
Relationship between undervoltage warning and instantaneous power failure

When an instantaneous power failure occurs and the inverter's bus voltage drops below the standard value, it outputs an undervoltage warning and stops its ou... More Details >>
- No：21974
- Release Date：2018/08/22 16:30
What applications are suitable?

Variable speed control of small-capacity motor and other applications for which small size and low cost are required. (Examples: Replacement for gears and pu... More Details >>
- No：21609
- Release Date：2018/08/22 16:28
Speed setting

The high speed command (multi-speed command) is prioritized over the frequency setting potentiometer. It is OK if these are both input simultaneously. When t... More Details >>
- No：21424
- Release Date：2018/08/22 16:27
Input terminal function selection of multi-function series

You can use the input terminals X1 to X3 for an input terminal function such as 7-speed operation (high, middle, and low speed), output stop during motor ope... More Details >>
- No：21601
- Release Date：2018/08/22 16:28
Noise and leakage current (tone modulation control) of low-noise series

When the carrier frequency increases, noise and leakage current increase accordingly. To prevent the noise and leakage current from increasing while keeping ... More Details >>
- No：21599
- Release Date：2018/08/22 16:28
Can I connect a brake resistor?

You cannot connect a brake resistor to the FR-U100 series inverter. (Use the FR-A024 series if you use the brake frequently.) More Details >>
- No：21594
- Release Date：2018/08/22 16:28
Key sheet

You cannot remove the key sheet from products with the key sheet attached as a standard other than the PU operation type. When using the parameter unit FR-PU... More Details >>
- No：21596
- Release Date：2018/08/22 16:28
Can I use digital operation panel FR-DU01?

You cannot use it with the standard and multi-function products. It can be connected to the dedicated PU operation type only. (Note that the FR-DU01 is an op... More Details >>
- No：21595
- Release Date：2018/08/22 16:28

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